These instructions works with Ubuntu 10.10 and perhaps with newer versions also.

1.  Click NetworkManager applet in the notification area and go to VPN Connections -> Configure VPN

2. Press Add, then Create (choose PPTP tunnel)

3. Fill out the information as in figure 1

Figure 1. VPN connection

 

4.  Go to advanced setup:

Figure 2. PPTP advanced Setup

 

5.  Press ok and after that Apply

6. Connect to LabraNet using the new connection